Water quality - Guidance standard for the identification, enumeration and interpretation of benthic diatom samples from running waters; German version EN 14407:2004— 19 стр.
Water quality - Guidance for the identification, enumeration and interpretation of benthic diatom samples from rivers and lakes; German version prEN 14407:2012
Water quality - Guidance standard for the identification, enumeration and interpretation of benthic diatom samples from running waters; German version EN 14407:2004— 19 стр.